Baldor's Super-E electric motor series comes with the Baldor Shaft Grounding Brush, which is designed to divert shaft currents away from the motor bearings as well as reduce voltage spikes in the rotor.

Baldor’s Super-E electric motor series comes with the Baldor Shaft Grounding Brush, which is designed to divert shaft currents away from the motor bearings and reducing wear and tear. Stock ratings available include 1 through 50 hp in Totally Enclosed Fan Cooled (TEFC) or Open Drip Proof (ODP) Foot Mounted designs along with 1/2 through 5 hp in TEFC, C-Face Foot Mounted designs. The internally mounted Baldor Shaft Grounding Brush also prevents common mode voltage, which can lead to voltage spikes that damage the bearings.